Following the link you find a tool that can help you in identifying adequate collaboration software. You can weigh a number of collaboration-requirements/functions regarding your (institution’s) priorities and the tool will provide you with specific ratings regarding the following software: Sharepoint, Projectplace, Basecamp, Mahara, Moodle, Elgg, Open Atrium2 and Buddypress.
Here is a short instruction how it works:
PLEASE CONSIDER: the performance rating has been conducted by different raters and might contain bias. For this reason, we strongly recommend to study the qualitative performance ratings that can be found in the spreadsheets of the respective software, e.g. “sharepoint”, “Projectplace” etc.